- Other malignant tumours less than five years old. Exceptions include basocellular carcinoma or an in situ cancer of the cervix uteri if they are curative treated as well as an untreated, locally confined, asymptotic "low risk" (indolent) prostata carcinoma (Stage T ≤ T1-2a, PSA < 15 ng/ml, Gleason-Score ≤ 6 ).